/*
 * $Id: CalendarParser.java,v 1.6 2006/11/05 08:05:47 fortuna Exp $ [Nov 5,
 * 2004]
 *
 * Copyright (c) 2004, Ben Fortuna All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * o Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * o Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 *
 * o Neither the name of Ben Fortuna nor the names of any other contributors may
 * be used to endorse or promote products derived from this software without
 * specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
package net.fortuna.ical4j.data;

import java.io.InputStream;
import java.io.IOException;
import java.io.Reader;

/**
 * Implementors provide iCalendar parsing functionality.
 * @author Ben Fortuna
 */
public interface CalendarParser {

    /**
     * Parse the iCalendar data from the specified input stream.
     * @param in an input stream from which to read iCalendar data
     * @param handler the content handler to notify during parsing
     * @throws IOException thrown when unable to read from the specified stream
     * @throws ParserException thrown if an error occurs during parsing
     */
    void parse(InputStream in, ContentHandler handler) throws IOException,
            ParserException;

    /**
     * Parse the iCalendar data from the specified reader.
     * @param in a reader from which to read iCalendar data
     * @param handler the content handler to notify during parsing
     * @throws IOException thrown when unable to read from the specified reader
     * @throws ParserException thrown if an error occurs during parsing
     */
    void parse(Reader in, ContentHandler handler) throws IOException,
            ParserException;
}
